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Home >> Chevrolet >> 2005 >> Optra5 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - Introduction And Mechanical Repairs >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Engine Coolant Temperature (ECT) Sensor
    GM1256152Courtesy of GENERAL MOTORS CORP.
  1. Coat the threads of the ECT sensor with sealer.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the ECT sensor into the EI system ignition coil adapter.

    Tighten:  Tighten the ECT sensor to 20 N.m (15 lb ft)  .

  3. Connect the ECT sensor connector.
  4. Fill the coolant system.
  5. Connect the negative battery cable.
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